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Ships within 48 hours · Estimated delivery Oct 23 - Oct 28
The Explore Scientific mist filters are supplied with an individual test report
various types of narrowband filters
The structure
Here is a helpful hint when it comes time to do that first alignment
9x and 72x) and a 2x Barlow lens
Dark-Sky Filter 77mm Slim accessories The Explore Scientific mist filtersUniversally applicable dark sky filter with 77mm filter thread for photo lenses. Particularly suitable for increasing contrast in aurora and deep sky photography. The wavelengths of 550nm (green) and 630nm (red), which are particularly relevant for aurora photography, are transmitted to more than 90%. A special feature of other so called CLS filters is that only the yellow light of the sodium line is effectively blocked at 590nmwill. This effectively
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